[Skiboot] [PATCH v2 10/17] hdata: Create ibm,dump DT node
Vasant Hegde
hegdevasant at linux.vnet.ibm.com
Fri May 4 20:28:10 AEST 2018
Create /ibm,dump device tree node and populate below properties:
- compatible - ibm,dump version
- fw-load-area - Memory used by OPAL to load kernel/initrd from PNOR
(KERNEL_LOAD_BASE & INITRAMFS_LOAD_BASE)
Signed-off-by: Vasant Hegde <hegdevasant at linux.vnet.ibm.com>
---
hdata/spira.c | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/hdata/spira.c b/hdata/spira.c
index 1c9a9681a..565579aae 100644
--- a/hdata/spira.c
+++ b/hdata/spira.c
@@ -1119,6 +1119,25 @@ static void add_iplparams_sys_params(const void *iplp, struct dt_node *node)
dt_init_secureboot_node(p);
}
+static void fadump_add_node(const struct iplparams_iplparams *p __unused)
+{
+ u64 fw_load_area[4];
+ struct dt_node *node;
+
+ if (proc_gen < proc_gen_p9)
+ return;
+
+ node = dt_new(dt_root, "ibm,dump");
+ assert(node);
+ dt_add_property_string(node, "compatible", "ibm,opal-dump-v1");
+
+ fw_load_area[0] = (u64)KERNEL_LOAD_BASE;
+ fw_load_area[1] = KERNEL_LOAD_SIZE;
+ fw_load_area[2] = (u64)INITRAMFS_LOAD_BASE;
+ fw_load_area[3] = INITRAMFS_LOAD_SIZE;
+ dt_add_property(node, "fw-load-area", fw_load_area, sizeof(fw_load_area));
+}
+
static void add_iplparams_ipl_params(const void *iplp, struct dt_node *node)
{
const struct iplparams_iplparams *p;
@@ -1167,6 +1186,9 @@ static void add_iplparams_ipl_params(const void *iplp, struct dt_node *node)
else
dt_add_property_strings(led_node, DT_PROPERTY_LED_MODE,
LED_MODE_GUIDING_LIGHT);
+
+ /* Populate fadump node */
+ fadump_add_node(p);
}
static void add_iplparams_serials(const void *iplp, struct dt_node *node)
--
2.14.3
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